. >> there is no signs of human remains in the michigan search for jimmy hoffa. they drilled through dirt and this is a latest effort to find the remains of the former teamsters boss. a tip from a man claims he saw a body being buried under a driveway led to the search. there is officers loading up a soil sample. there are results could be ready by monday. >> authorities released 911 calls from witnesses reporting what turned out to be a hoax of police weren't laughing. there are a couple calls and tapes. >> what looks like a little girl with a machine gun pointing something at vehicles driving by. >> i don't know but it looks like a kid drugged up with a big bazooka-looking thing. i don't know if it's a joke. they're probably trying to be funny. it's not funny. >> and it wasn't funny. police arrested the man videotaping his nephew. he posted the video on you tube and claims he did it to see how long it would take police to respond to a terrorist threat. he did knit july. and a few days after the aurora, colorado shooting massacre. police not amused and he faces